Question

why do we wear woollen clothes in winter

Answer 1

$\bold{\boxed {Hello !!}}$

We use to wear cotten clothes in winter because it do not allow the heat of body to transfer in the environment, thus keep us warm as it is a poor conductor of heat.

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Answer 2

We wear woollen clothes in winter because air is a poor conductor of heat and woollen clothes do not allow the transfer of body heat to the environment and keep us warm.